Aircraft Engineering Library, Design Calculators, Wind Tunnel &; More on 2040-parts.com

Views of new Jaguar XJ leak out

Here's the proof that Jaguar has finally junked decades of styling heritage with its dramatically detailed new flagship, the XJ sedan. Although there's a family resemblance to the new XF at the front and in the overall, swoopy fastback shape, Jaguar is entering new territory with the rear styling of the car. In a European context, the rear lights nod toward Italian brand Lancia, and a breakthrough feature is the wraparound, dark-colored panel on the D-pillar, which follows the outline of the sloping rear glass.

GM to sell bifuel Chevrolet and GMC trucks

While gasoline hovers at about four bucks a gallon, natural gas is priced at the equivalent of $1.89 per gallon. Chevrolet and GMC are hoping to take advantage of that disparity by offering bi-fuel heavy-duty pickups for fleet and retail customers beginning on April 19, the day before Earth Day. The bi-fuel option will cost buyers $11,000, on top of the price of the pickups.

BMW X6M Design Edition revealed

Ever woken up, and thought: you know what – I really wish I had a BMW X6, that most subtle of premium executive SUV chariots, with an enormous set of racing stripes. Maybe in the colours of BMW’s M division. Well, no matter if you haven’t.